--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1796,7 +1796,7 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
 	bool wait_connect = false;
 	struct sctp_chunk *chunk;
 	long timeo;
-	int err;
+	int err, mem = 0;
 
 	if (sinfo->sinfo_stream >= asoc->stream.outcnt) {
 		err = -EINVAL;
@@ -1807,11 +1807,12 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
 		err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream);
 		if (err)
 			goto err;
+		mem = 1;
 	}
 
 	if (sp->disable_fragments && msg_len > asoc->frag_point) {
 		err = -EMSGSIZE;
-		goto err;
+		goto free_mem;
 	}
 
 	if (asoc->pmtu_pending) {
@@ -1883,6 +1884,10 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
 
 	err = msg_len;
 
+free_mem:
+	if (mem)
+		sctp_stream_free(&asoc->stream);
+
 err:
 	return err;
 }